Globals/__init__.py

Wed, 27 Jul 2016 18:10:08 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 27 Jul 2016 18:10:08 +0200
changeset 5070
4e4651e88674
parent 4828
b313794f46a2
child 5389
9b1c800daff3
permissions
-rw-r--r--

Added capability to set the path to the Qt tools manually (because they are not included in the PyQt5 wheels).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module defining common data to be used by all modules.
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8 """
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9
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10 #
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11 # Note: Do not import any eric stuff in here!!!!!!!
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12 #
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13
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14 from __future__ import unicode_literals
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15
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16 import sys
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17 import os
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18
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19 from PyQt5.QtCore import (QDir, QLibraryInfo, QByteArray,
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20 QCoreApplication, QT_VERSION_STR)
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21
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22 # names of the various settings objects
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23 settingsNameOrganization = "Eric6"
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24 settingsNameGlobal = "eric6"
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25 settingsNameRecent = "eric6recent"
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26
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27 # key names of the various recent entries
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28 recentNameMultiProject = "MultiProjects"
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29 recentNameProject = "Projects"
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30 recentNameFiles = "Files"
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31 recentNameHexFiles = "HexFiles"
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32 recentNameHosts = "Hosts6"
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33
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34 configDir = None
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35
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36
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37 def isWindowsPlatform():
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38 """
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39 Function to check, if this is a Windows platform.
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40
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41 @return flag indicating Windows platform (boolean)
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42 """
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43 return sys.platform.startswith("win")
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44
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45
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46 def isMacPlatform():
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47 """
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48 Function to check, if this is a Mac platform.
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49
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50 @return flag indicating Mac platform (boolean)
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51 """
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52 return sys.platform == "darwin"
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53
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54
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55 def isLinuxPlatform():
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56 """
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57 Function to check, if this is a Linux platform.
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58
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59 @return flag indicating Linux platform (boolean)
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60 """
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61 return sys.platform.startswith("linux")
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62
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63
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64 def checkBlacklistedVersions():
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65 """
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66 Module functions to check for blacklisted versions of the prerequisites.
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67
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68 @return flag indicating good versions were found (boolean)
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69 """
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70 from install import BlackLists, PlatformsBlackLists
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71
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72 # determine the platform dependent black list
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73 if isWindowsPlatform():
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74 PlatformBlackLists = PlatformsBlackLists["windows"]
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75 elif isLinuxPlatform():
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76 PlatformBlackLists = PlatformsBlackLists["linux"]
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77 else:
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78 PlatformBlackLists = PlatformsBlackLists["mac"]
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79
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80 # check version of sip
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81 try:
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82 import sipconfig
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83 sipVersion = sipconfig.Configuration().sip_version_str
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84 # always assume, that snapshots are good
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85 if "snapshot" not in sipVersion:
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86 # check for blacklisted versions
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87 for vers in BlackLists["sip"] + PlatformBlackLists["sip"]:
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88 if vers == sipVersion:
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89 print(
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90 'Sorry, sip version {0} is not compatible with eric6.'
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91 .format(vers))
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92 print('Please install another version.')
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93 return False
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94 except ImportError:
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95 pass
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96
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97 # check version of PyQt
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98 from PyQt5.QtCore import PYQT_VERSION_STR
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99 pyqtVersion = PYQT_VERSION_STR
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100 # always assume, that snapshots are good
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101 if "snapshot" not in pyqtVersion:
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102 # check for blacklisted versions
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103 pyqtVariant = "PyQt{0}".format(pyqtVersion[0])
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104 for vers in BlackLists[pyqtVariant] + PlatformBlackLists[pyqtVariant]:
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105 if vers == pyqtVersion:
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106 print('Sorry, PyQt version {0} is not compatible with eric6.'
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107 .format(vers))
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108 print('Please install another version.')
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109 return False
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110
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111 # check version of QScintilla
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112 from PyQt5.Qsci import QSCINTILLA_VERSION_STR
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113 scintillaVersion = QSCINTILLA_VERSION_STR
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114 # always assume, that snapshots are new enough
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115 if "snapshot" not in scintillaVersion:
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116 # check for blacklisted versions
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117 for vers in BlackLists["QScintilla2"] + \
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118 PlatformBlackLists["QScintilla2"]:
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119 if vers == scintillaVersion:
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120 print(
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121 'Sorry, QScintilla2 version {0} is not compatible'
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122 ' with eric6.'.format(vers))
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123 print('Please install another version.')
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124 return False
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125
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126 return True
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127
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128
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129 def getConfigDir():
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130 """
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131 Module function to get the name of the directory storing the config data.
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132
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133 @return directory name of the config dir (string)
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134 """
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135 if configDir is not None and os.path.exists(configDir):
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136 hp = configDir
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137 else:
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138 if isWindowsPlatform():
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139 cdn = "_eric6"
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140 else:
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141 cdn = ".eric6"
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142
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143 hp = QDir.homePath()
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144 dn = QDir(hp)
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145 dn.mkdir(cdn)
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146 hp += "/" + cdn
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147 return QDir.toNativeSeparators(hp)
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148
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149
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150 def setConfigDir(d):
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151 """
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152 Module function to set the name of the directory storing the config data.
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153
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154 @param d name of an existing directory (string)
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155 """
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156 global configDir
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157 configDir = os.path.expanduser(d)
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158
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159
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160 def getPythonModulesDirectory():
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161 """
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162 Function to determine the path to Python's modules directory.
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163
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164 @return path to the Python modules directory (string)
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165 """
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166 import distutils.sysconfig
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167 return distutils.sysconfig.get_python_lib(True)
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168
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169
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170 def getPyQt5ModulesDirectory():
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171 """
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172 Function to determine the path to PyQt5's (or PyQt4's) modules directory.
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173
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174 @return path to the PyQt5/PyQt4 modules directory (string)
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175 """
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176 import distutils.sysconfig
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177 for pyqt in ["PyQt5", "PyQt4"]:
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178 pyqtPath = os.path.join(distutils.sysconfig.get_python_lib(True), pyqt)
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179 if os.path.exists(pyqtPath):
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180 return pyqtPath
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181
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182 return ""
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183
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184
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185 def getQtBinariesPath():
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186 """
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187 Module function to get the path of the Qt binaries.
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188
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189 @return path of the Qt binaries (string)
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190 """
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191 import Preferences
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192
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193 path = ""
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194
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195 # step 1: check, if the user has configured a tools path
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196 path = Preferences.getQt("QtToolsDir")
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197
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198 if not path and isWindowsPlatform():
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199 # step 2.1: check for PyQt5 Windows installer (designer is test object)
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200 modDir = getPyQt5ModulesDirectory()
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201 if os.path.exists(os.path.join(modDir, "bin", "designer.exe")):
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202 path = os.path.join(modDir, "bin")
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203 elif os.path.exists(os.path.join(modDir, "designer.exe")):
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204 path = modDir
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205
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206 if not path:
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207 # step 2.2: get the path from Qt
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208 # Note: no Qt tools are to found there for PyQt 5.7.0
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209 path = QLibraryInfo.location(QLibraryInfo.BinariesPath)
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210 if not os.path.exists(path):
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211 path = ""
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212
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213 return QDir.toNativeSeparators(path)
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214
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215
4828
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diff changeset
216 def translate(*args):
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217 """
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218 Module function to handle different PyQt 4/5 QCoreApplication.translate
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diff changeset
219 parameter.
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diff changeset
220
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diff changeset
221 @param args tuple of arguments from QCoreApplication.translate (tuple)
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222 @return translated string (string)
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T.Rzepka <Tobias.Rzepka@gmail.com>
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diff changeset
223 """
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parents: 4724
diff changeset
224 if QT_VERSION_STR.startswith('4'):
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diff changeset
225 args = list(args)
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diff changeset
226 args.insert(3, QCoreApplication.CodecForTr)
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diff changeset
227 return QCoreApplication.translate(*args)
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diff changeset
228
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diff changeset
229
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230 ###############################################################################
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231 ## functions for searching a Python2/3 interpreter
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232 ###############################################################################
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233
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234
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235 def findPythonInterpreters(pyVersion):
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236 """
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237 Module function for searching a Python interpreter.
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238
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diff changeset
239 @param pyVersion major Python version
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240 @return list of interpreters found (list of strings)
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241 """
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diff changeset
242 if pyVersion == 2:
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parents: 2677 2997
diff changeset
243 winPathList = ["C:\\Python25", "C:\\Python26",
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parents: 2677 2997
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244 "C:\\Python27", "C:\\Python28"]
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245 posixVersionsList = ["2.5", "2.6", "2.7", "2.8"]
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246 else:
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247 winPathList = ["C:\\Python3{0}".format(x) for x in range(5)]
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248 posixVersionsList = ["3.{0}".format(x) for x in range(5)]
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249 posixPathList = ["/usr/bin", "/usr/local/bin"]
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250
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251 interpreters = []
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252 if isWindowsPlatform():
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253 # search the interpreters on Windows platforms
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parents: 945
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254 for path in winPathList:
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255 exeList = [
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256 "python.exe",
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257 "python{0}.{1}.exe".format(path[-2], path[-1]),
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258 ]
ab292b7f4f8a Added code to search for a Python2 interpreter in some known places. If none is found, the user can configure it on the Debugger, Python config page.
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parents: 945
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259 for exe in exeList:
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260 interpreter = os.path.join(path, exe)
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261 if os.path.isfile(interpreter):
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262 interpreters.append(interpreter)
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Detlev Offenbach <detlev@die-offenbachs.de>
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263 else:
1363
d650915a903c Some changes for Mac computers.
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parents: 1221
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264 # search interpreters on Posix and Mac platforms
1162
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265 for path in posixPathList:
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266 for version in posixVersionsList:
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
267 interpreter = os.path.join(path, "python{0}".format(version))
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parents: 945
diff changeset
268 if os.path.isfile(interpreter):
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269 interpreters.append(interpreter)
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270
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271 return interpreters
4241
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272
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273
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274 ###############################################################################
4686
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275 ## functions for extended string handling
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276 ###############################################################################
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277
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278
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Detlev Offenbach <detlev@die-offenbachs.de>
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279 def strGroup(txt, sep, groupLen=4):
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280 """
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diff changeset
281 Module function to group a string into sub-strings separated by a
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
282 separator.
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Detlev Offenbach <detlev@die-offenbachs.de>
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283
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diff changeset
284 @param txt text to be grouped
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diff changeset
285 @type str
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Detlev Offenbach <detlev@die-offenbachs.de>
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286 @param sep separator string
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287 @type str
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diff changeset
288 @param groupLen length of each group
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289 @type int
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Detlev Offenbach <detlev@die-offenbachs.de>
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290 @return result string
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Detlev Offenbach <detlev@die-offenbachs.de>
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291 @rtype str
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
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292 """
4724
682f009d086d Fixed some code style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4695
diff changeset
293 groups = []
4686
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294
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Detlev Offenbach <detlev@die-offenbachs.de>
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295 while len(txt) // groupLen != 0:
4724
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
296 groups.insert(0, txt[-groupLen:])
4686
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297 txt = txt[:-groupLen]
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diff changeset
298 if len(txt) > 0:
4724
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
299 groups.insert(0, txt)
682f009d086d Fixed some code style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
300 return sep.join(groups)
4686
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301
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302
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303 ###############################################################################
4241
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304 ## functions for converting QSetting return types to valid types
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305 ###############################################################################
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306
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
307
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parents: 4021
diff changeset
308 def toBool(value):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
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309 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
310 Module function to convert a value to bool.
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
311
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
312 @param value value to be converted
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Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
313 @return converted data
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
314 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
315 if value in ["true", "1", "True"]:
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parents: 4021
diff changeset
316 return True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
317 elif value in ["false", "0", "False"]:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
318 return False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
319 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
320 return bool(value)
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
321
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
322
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
323 def toList(value):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
324 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
325 Module function to convert a value to a list.
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
326
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
327 @param value value to be converted
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
328 @return converted data
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
329 """
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
330 if value is None:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
331 return []
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
332 elif not isinstance(value, list):
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
333 return [value]
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
334 else:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
335 return value
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
336
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
337
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
338 def toByteArray(value):
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
339 """
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
340 Module function to convert a value to a byte array.
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
341
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
342 @param value value to be converted
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
343 @return converted data
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
344 """
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
345 if value is None:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
346 return QByteArray()
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
347 else:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
348 return value
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
349
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
350
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
351 def toDict(value):
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
352 """
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
353 Module function to convert a value to a dictionary.
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
354
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
355 @param value value to be converted
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
356 @return converted data
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
357 """
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
358 if value is None:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
359 return {}
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
360 else:
545629046c45 Fixed a bug in the message filter causing a traceback when no message filters are configured.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
361 return value
4566
a2e8f3c420ec Dealt with the M801 code style checker messages.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4343
diff changeset
362
a2e8f3c420ec Dealt with the M801 code style checker messages.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4343
diff changeset
363 #
a2e8f3c420ec Dealt with the M801 code style checker messages.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4343
diff changeset
364 # eflag: noqa = M801

eric ide

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